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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Fixed point constants issue
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Date: Wed, 15 Sep 2010 10:35:22 +0200
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Date: 2010-09-15T10:35:22+02:00
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On Tue, 14 Sep 2010 19:42:52 +0200, Vinzent Hoefler wrote:

> On Tue, 14 Sep 2010 09:47:03 +0200, Dmitry A. Kazakov
> <mailbox@dmitry-kazakov.de> wrote:
> 
>> Well, I don't disagree, but the part of the problem is a non-intended  
>> use.
> 
> Well, the actually intended use was to create a range constrained subtype
>  from an existing full-range fixed point type:
> 
> -- 8< -- snip --
>     type BASE_TYPE is delta 1.0 / 64.0 range 0.0 .. 1.0;
>     for BASE_TYPE'Small use 1.0 / 128.0;

But use suggests rather:

   type Base_Type is delta 0.01 digits 3 range 0.0..1.0;

or

   type Base_Type is delta 0.01 digits 3 range -1.0..1.0;

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de